Answer:
-9
Step-by-step explanation:
1−15−(−5)
−14−(−5)
−9
-15-(-5)
= - 15 +5 (Multiplying - and - we get a plus(+))
=-10 ( - stg + stg means to subtract and since 15 is greater than 5 and it's sign is - we should keep that)